11300121129978 has 32 divisors (see below), whose sum is σ = 25131779608320. Its totient is φ = 3763647145440.

The previous prime is 11300121129929. The next prime is 11300121130007. The reversal of 11300121129978 is 87992112100311.

11300121129978 is a `hidden beast` number, since 11 + 300 + 121 + 129 + 97 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84930075 + ... + 85063022.

It is an arithmetic number, because the mean of its divisors is an integer number (785368112760).

Almost surely, 2^{11300121129978} is an apocalyptic number.

11300121129978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11300121129978 is an abundant number, since it is smaller than the sum of its proper divisors (13831658478342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11300121129978 is a wasteful number, since it uses less digits than its factorization.

11300121129978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169994339 (or 169994333 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 45.

The spelling of 11300121129978 in words is "eleven trillion, three hundred billion, one hundred twenty-one million, one hundred twenty-nine thousand, nine hundred seventy-eight".